Your Status: Logged out Log in

Discuss whether the main structures and systems of the human brain are clearly defined in terms of whether they are responsible for "higher-order" (complex) and "lower-order" (simple) psychological capacities and functions.

Member rating: No Rating | Words: | Submitted: Mon Nov 10 2003

Page Preview
Preview
Previous 1 of 4 Next

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Discuss whether the main structures and systems of the human brain are clearly defined in terms of whether they are responsible for "higher-order" (complex) and "lower-order" (simple) psychological capacities and functions. A brief introduction into the human brain would be that it is made up of an intricate network of neurons, these are cells that receive and transmit electrochemical signals. There are approximately 100 billion neurons and 100 trillion connections among them in a human brain. The simplest possible creatures have incredibly simple nervous systems made up of nothing but reflex pathways. For example, flatworms and invertebrates do not have a centralised brain. They have loose associations of neurons arranged in simple reflex pathways. Flatworms have neural nets, individual neurons linked together that form a net around the entire animal. Most invertebrates (such as the lobster) have simple "brains" that consist of localised collections of neuronal cell bodies called ganglia. Each...

Get instant access



  • Instant, unlimited access to our documents in full
  • Swap your work for free access, or pay £4.99
  • To see the full version of this document and 149,430 others
Register Now